JP4504374B2 - ロータブレードの編組翼桁とその製造方法 - Google Patents

ロータブレードの編組翼桁とその製造方法 Download PDF

Info

Publication number
JP4504374B2
JP4504374B2 JP2006524756A JP2006524756A JP4504374B2 JP 4504374 B2 JP4504374 B2 JP 4504374B2 JP 2006524756 A JP2006524756 A JP 2006524756A JP 2006524756 A JP2006524756 A JP 2006524756A JP 4504374 B2 JP4504374 B2 JP 4504374B2
Authority
JP
Japan
Prior art keywords
rotor blade
fibers
blade assembly
braided
longitudinal axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2006524756A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007503533A5 (enExample
JP2007503533A (ja
Inventor
コヴァルスキー，デーヴィッド，エー．
ヴィオラ，ケヴィン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sikorsky Aircraft Corp
Original Assignee
Sikorsky Aircraft Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sikorsky Aircraft Corp filed Critical Sikorsky Aircraft Corp
Publication of JP2007503533A publication Critical patent/JP2007503533A/ja
Publication of JP2007503533A5 publication Critical patent/JP2007503533A5/ja
Application granted granted Critical
Publication of JP4504374B2 publication Critical patent/JP4504374B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/07—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments otherwise than in a plane, e.g. in a tubular way
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
    • B29C70/222—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure the structure being shaped to form a three dimensional configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/008—Rotors tracking or balancing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/463—Blade tips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
    • D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
    • B29L2031/082—Blades, e.g. for helicopters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B64C2027/4733—Rotor blades substantially made from particular materials
    • B64C2027/4736—Rotor blades substantially made from particular materials from composite materials
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/024—Fabric incorporating additional compounds
    • D10B2403/0241—Fabric incorporating additional compounds enhancing mechanical properties
    • D10B2403/02411—Fabric incorporating additional compounds enhancing mechanical properties with a single array of unbent yarn, e.g. unidirectional reinforcement fabrics
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/02—Reinforcing materials; Prepregs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulding By Coating Moulds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
JP2006524756A 2003-08-22 2004-08-20 ロータブレードの編組翼桁とその製造方法 Expired - Fee Related JP4504374B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/646,310 US7165945B2 (en) 2003-08-22 2003-08-22 Braided spar for a rotor blade and method of manufacture thereof
PCT/US2004/027151 WO2005079184A2 (en) 2003-08-22 2004-08-20 Braided spar for a rotor blade and method of manufacture thereof

Publications (3)

Publication Number Publication Date
JP2007503533A JP2007503533A (ja) 2007-02-22
JP2007503533A5 JP2007503533A5 (enExample) 2007-09-20
JP4504374B2 true JP4504374B2 (ja) 2010-07-14

Family

ID=34194501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006524756A Expired - Fee Related JP4504374B2 (ja) 2003-08-22 2004-08-20 ロータブレードの編組翼桁とその製造方法

Country Status (5)

Country Link
US (1) US7165945B2 (enExample)
EP (1) EP1663779B1 (enExample)
JP (1) JP4504374B2 (enExample)
CA (1) CA2536668A1 (enExample)
WO (1) WO2005079184A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180031392A (ko) * 2016-09-20 2018-03-28 다이텍연구원 탄소섬유토우 프리프레그 브레이딩 튜브 프레임의 제조방법

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7083383B2 (en) * 2004-04-26 2006-08-01 The Boeing Company Segmented rotor blade trim tab
BRPI0607568A2 (pt) * 2005-05-03 2010-04-06 Stork Sp Aerospace B V método para fabricar um membro estrutural oco reforçado com fibra, e, membro estrutural oco reforçado com fibra
BRPI0610476A2 (pt) * 2005-05-03 2012-10-30 Stork Sp Aerospace B V dispositivo para injetar uma resina em pelo menos uma camada de fibra de um produto reforçado com fibra, método para fabricar um produto oco reforçado com fibras, e, uso de um dispositivo
GB2449058B (en) * 2007-01-20 2011-08-10 Smiths Aerospace Group Ltd Blades
FR2926785B1 (fr) 2008-01-25 2010-02-19 Eurocopter France Pale de giravion munie d'un longeron integrant une attache de fixation,et procede de fabrication d'un tel longeron.
US8221084B2 (en) * 2008-02-28 2012-07-17 Textron Innovations Inc. Single-piece propeller and method of making
WO2009111568A1 (en) * 2008-03-04 2009-09-11 Karem Aircraft, Inc. Composite blade root stucture
DE102009010429A1 (de) * 2008-03-14 2009-09-17 Thoenes Dichtungstechnik Gmbh Verfahren zur Herstellung einer Walze für die Bearbeitung bandförmigen Materials und nach diesem Verfahren hergestellte Walze
DE112009001181A5 (de) * 2008-03-14 2011-02-17 Thoenes Dichtungstechnik Gmbh Verfahren zur Herstellung eines Rotorblattes für eine Windkraftanlage sowie ein nach diesem Verfahren hergestelltes Rotorblatt
US8353673B2 (en) * 2008-04-26 2013-01-15 Sikorsky Aircraft Corporation Main rotor blade with integral cuff
US8800145B2 (en) * 2008-12-30 2014-08-12 Sikorsky Aircraft Corporation Refurbishing method and system for a main rotor blade spar
GB2466793B (en) * 2009-01-07 2011-11-09 Ge Aviat Systems Ltd Composite spars
US20110290405A1 (en) * 2009-02-13 2011-12-01 Martin Kaenzig Method for the production of composite hollow articles
US8753091B1 (en) * 2009-05-20 2014-06-17 A&P Technology, Inc. Composite wind turbine blade and method for manufacturing same
EP2263862B1 (fr) * 2009-06-17 2012-11-07 Techspace Aero S.A. Procédé de fabrication de préformes tressées
DK2357357T3 (en) * 2009-10-01 2017-01-09 Vestas Wind Sys As The wind turbine blade
PT2524134E (pt) 2010-01-14 2014-08-01 Neptco Inc Componentes de pá de rotor de turbina eólica e seus processos de fabrico
US10137542B2 (en) 2010-01-14 2018-11-27 Senvion Gmbh Wind turbine rotor blade components and machine for making same
DE102010010512B4 (de) * 2010-03-05 2022-03-17 Action Composites Hightech GmbH Verfahren zur Herstellung einer Radfelge und Verfahren zur Vorfertigung eines Felgenbetts einer Radfelge
DE102010010513B4 (de) * 2010-03-05 2014-07-03 ThyssenKrupp Carbon Components GmbH Verfahren zur Herstellung von hohlprofilartigen Bauteilen aus Faserverbundwerkstoffen
FR2957893B1 (fr) * 2010-03-23 2013-04-05 Eurocopter France Pale de voilure tournante, aeronef a voilure tournante muni d'une telle pale
US8500407B1 (en) 2010-03-28 2013-08-06 The Boeing Company Composite blade root-end drill-through lug and attachment method
FR2962175B1 (fr) 2010-07-02 2012-08-10 Snecma Aube a longeron composite integre
JP5503481B2 (ja) * 2010-09-30 2014-05-28 一般社団法人日本航空宇宙工業会 繊維強化複合材料を用いた翼状構造体およびその製造方法
DE102011012675B4 (de) * 2011-02-28 2014-10-23 Munich Composites Gmbh Verfahren zum Herstellen einer Felge mit einer teilbaren Flechtvorrichtung
JP5738033B2 (ja) 2011-03-28 2015-06-17 三菱重工業株式会社 複合材構造体の成形方法
EP2755862B1 (de) 2011-09-14 2016-04-13 Bayerische Motoren Werke Aktiengesellschaft Fahrzeug-rad mit einer felge aus faserverstärktem kunststoffmaterial
US8261648B1 (en) 2011-10-17 2012-09-11 Sequent Medical Inc. Braiding mechanism and methods of use
CN106192198B (zh) 2011-10-17 2020-06-05 后续医疗股份有限公司 编织机构
US9416668B2 (en) 2012-04-30 2016-08-16 United Technologies Corporation Hollow fan bladed with braided fabric tubes
EP2781734B1 (en) * 2013-03-20 2019-02-20 Siemens Aktiengesellschaft Rotor blade with a segmented supporting structure and method for manufacturing the rotor blade
GB201307066D0 (en) 2013-04-18 2013-05-29 Airbus Operations Ltd Winglet and braided composite spar
US9745056B2 (en) * 2013-05-14 2017-08-29 Sikorsky Aircraft Corporation Main rotor blade with composite integral skin and cuff
KR102071763B1 (ko) * 2014-02-21 2020-01-30 미쓰이금속광업주식회사 내장 캐패시터층 형성용 동장 적층판, 다층 프린트 배선판 및 다층 프린트 배선판의 제조 방법
US9890764B2 (en) * 2014-03-26 2018-02-13 General Electric Company Trailing edge cap for a rotor blade and method of manufacturing same
US10406763B2 (en) 2014-08-15 2019-09-10 Sikorsky Aircraft Corporation Rotor blade spar formation with automated fiber placement
US10589475B2 (en) 2014-09-23 2020-03-17 General Electric Company Braided blades and vanes having dovetail roots
GB201417769D0 (en) * 2014-10-08 2014-11-19 Rolls Royce Plc Composite article
WO2016100081A1 (en) 2014-12-17 2016-06-23 Sikorsky Aircraft Corporation Composite laminate tooling and method of forming a composite part using the tooling
JP6937327B2 (ja) 2016-03-17 2021-09-22 スワミナサン ジャヤラマン 解剖学的構造の閉塞
US12232737B2 (en) 2016-03-17 2025-02-25 Eclipse Medical Limited Occluding anatomical structures
CN106005397A (zh) * 2016-07-14 2016-10-12 上海未来伙伴机器人有限公司 多旋翼机桨、多旋翼机以及改善桨叶静不平衡的方法
FR3069185B1 (fr) * 2017-07-18 2020-07-24 Airbus Operations Sas Profil aerodynamique a noyau creux oblong arrondi en materiau composite renforce par un textile a fibres unidirectionnelles
EP3556544B1 (en) * 2018-04-17 2021-07-28 Ratier-Figeac SAS Propeller blade spar
GB2573285A (en) * 2018-04-27 2019-11-06 Airbus Operations Ltd Composite spar for a wing structure
CN112368134B (zh) * 2018-05-01 2023-05-02 通用电气公司 用于制造用于风力涡轮转子叶片的翼梁帽的方法
CN114206722A (zh) * 2019-06-20 2022-03-18 银河有限责任公司 集成拉挤成型复合型材及用于制造其的方法
EP3848488B1 (en) * 2020-01-08 2025-10-08 Ratier-Figeac SAS Propeller blade comprising a core and a braided cover of said core, bobbin and method for for braiding said braided cover
FR3111658B1 (fr) * 2020-06-18 2022-07-15 Safran Aircraft Engines Aube en matériau composite à renfort fibreux tissé tridimensionnel et peau tissée bidimensionnel et son procédé de fabrication
CN113459526B (zh) * 2021-06-30 2022-06-10 中国航空制造技术研究院 一种复合材料风扇叶片与金属包边的胶接成型方法
FR3138668B1 (fr) * 2022-08-02 2024-07-05 Safran Aircraft Engines Aube comprenant un renfort métallique provisoire
WO2024243320A2 (en) * 2023-05-22 2024-11-28 Supernal, Llc Systems and methods for manufacturing composite laminate structures

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5614518B2 (enExample) * 1973-10-12 1981-04-04
US4567917A (en) * 1981-07-13 1986-02-04 Stratoflex, Inc. Hose with wire braid reinforcement
GB2141722A (en) * 1983-06-20 1985-01-03 Secretary Industry Brit Urethane composites
US4741087A (en) * 1983-09-16 1988-05-03 Plummer Jr Walter A Method of making pre-expanded braided sleeving
US5087187A (en) * 1990-03-09 1992-02-11 United Technologies Corporation Apparatus for molding hollow composite articles having internal reinforcement structures
JP2546746B2 (ja) * 1991-03-29 1996-10-23 株式会社スリーデイコンポリサーチ 三次元織物を利用した回転ブレード及びその製造方法
US5222297A (en) * 1991-10-18 1993-06-29 United Technologies Corporation Composite blade manufacture
FR2706354B1 (fr) * 1993-06-14 1995-09-01 Aerospatiale Procédé de réalisation d'objets creux en matériau composite par bobinage-dépose au contact sur un mandrin expansible et objets ainsi obtenus.
GB9315910D0 (en) * 1993-07-31 1993-09-15 Phillips Cables Ltd Textile braids for cables,flexible tubes & the like
US5430937A (en) * 1994-07-15 1995-07-11 United Technologies Corporation Apparatus and methods for fabricating a helicopter main rotor blade
KR100311562B1 (ko) * 1994-08-31 2002-01-17 슈니버거 스티븐 에이 헬리콥터로터블레이드용섬유보강복합익형및그의제조방법
US5939007A (en) * 1994-08-31 1999-08-17 Sikorsky Aircraft Corporation Method for manufacture of a fiber reinforced composite spar for rotary wing aircraft
US5619903A (en) * 1994-11-30 1997-04-15 Bell Helicopter Textron Inc. Braided preform for composite bodies
US5700533A (en) * 1995-10-05 1997-12-23 You; Chin-San Fiber Braid Material
FR2746353B1 (fr) * 1996-03-21 2000-07-21 Luk Getriebe Systeme Gmbh Dispositif pour commander un systeme de transmission de couple
US5836062A (en) * 1997-04-16 1998-11-17 Sikorsky Aircraft Corporation Apparatus for assembling a helicopter main rotor blade subassembly
US6263936B1 (en) * 1999-08-06 2001-07-24 Bell Helicopter Textron Inc. Technique for making fiber composite object
US6676080B2 (en) * 2000-07-19 2004-01-13 Aero Composites, Inc. Composite airfoil assembly
US6447254B1 (en) * 2001-05-18 2002-09-10 Sikorsky Aircraft Corporation Low dieletric constant erosion resistant material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180031392A (ko) * 2016-09-20 2018-03-28 다이텍연구원 탄소섬유토우 프리프레그 브레이딩 튜브 프레임의 제조방법

Also Published As

Publication number Publication date
EP1663779A2 (en) 2006-06-07
US7165945B2 (en) 2007-01-23
CA2536668A1 (en) 2005-09-01
EP1663779A4 (en) 2011-10-05
WO2005079184A3 (en) 2006-02-16
WO2005079184A2 (en) 2005-09-01
JP2007503533A (ja) 2007-02-22
EP1663779B1 (en) 2013-10-02
US20050042109A1 (en) 2005-02-24

Similar Documents

Publication Publication Date Title
JP4504374B2 (ja) ロータブレードの編組翼桁とその製造方法
US4051289A (en) Composite airfoil construction
EP2441571B1 (en) Proces for manufacturing a composite component
US20170130764A1 (en) Supporting structure for force transmission member, aircraft reaction link, flight control surface driving unit, method of mounting force transmission member, and method of manufacturing aircraft reaction link
EP4263199B1 (en) A rotor sail
US10786952B2 (en) Manufacture of wind turbine blades
CA2937263A1 (en) Rotor blade with interior shelf for a flat plate spar cap
US8510946B2 (en) Helicopter blade mandrel with roller assembly
WO2021216153A2 (en) Shock and impact resistant structures
CN106321345B (zh) 由预处理层压板形成的风轮机转子叶片的翼梁缘条
CN105408079B (zh) 生产热塑性纤维复合物的工艺及从其形成的风扇叶片
EP0448705B1 (en) Rotor blade
WO2011055779A1 (ja) 円筒構造体およびその製造方法
US5091029A (en) Method of manufacturing a unitary, multi-legged helicopter rotor flexbeam made solely of composite materials
EP3318484B1 (en) Reinforced propeller blade and spar
US4695340A (en) Filament wound structure having filament wound reinforcing rings for use as a torque drive
US20240018938A1 (en) Wind turbine blade having buckling-resistant spar caps
JPH11311101A (ja) 繊維強化樹脂製翼構造体
US20180106268A1 (en) Blade component
EP4534267A1 (en) Fiber preform for manufacturing a fiber composite component of a wind turbine rotor blade, method and wind turbine rotor blade
JP2016075272A (ja) ダブテール根元を有する編組ブレード及びベーン
US10406763B2 (en) Rotor blade spar formation with automated fiber placement
CA1095664A (en) Composite airfoil construction
HK40103066A (en) A rotor sail
HK40103066B (en) A rotor sail

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070731

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070731

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100311

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100323

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100422

R150 Certificate of patent or registration of utility model

Ref document number: 4504374

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130430

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130430

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140430

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees